1// errorcheck -0 -live
2
3// Copyright 2020 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Issue 42944: address of callee args area should only be short-lived
8// and never across a call.
9
10package p
11
12type T [10]int // trigger DUFFCOPY when passing by value, so it uses the address
13
14func F() {
15	var x T
16	var i int
17	for {
18		x = G(i) // no autotmp live at this and next calls
19		H(i, x)
20	}
21}
22
23func G(int) T
24func H(int, T)
25